垃圾填埋场——不包括包装材料本身的生产——是空气污染、水污染的主要来源。
Landfills not included, the production of packaging material itself is a major source of air and water pollution.
本公司主要从事新型包装材料的研制、开发、生产、销售及售后技术咨询服务。
The company is mainly engaged in the development of new packaging materials, development, production, sales and after - sale technical advisory services.
主要生产销售：印刷包装材料等。
The main production and marketing: printing and packaging materials, so on.
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